/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ZhongJinTao
 * Date: 2024-10-07
 * Time: 11:28
 */
public class Main {
    public static void main(String[] args) {
        Solution solution = new Solution();
        String[] s = {"2","1","+","3","*"};
        solution.evalRPN(s);
    }
}